sikkerchat.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, simon.ns.cloudflare.com). It was registered on 26 June 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.16.202 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.16.202 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.215.231 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.16.202 |
| 🔶 Autoconfig | 172.67.215.231 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:d7e7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:10ca | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.16.202,172.67.215.231 ech=AEX+DQBBfAAgACBotAKtM6qVi37jEWcHzYwRlJfccp9J1WgVOJRgGKFBVgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:d7e7,2606:4700:3035::6815:10ca |
| TXT Record |
|---|
| bw=9uZ40k61hiZdCCZvFWx5sXgbbmEId1qbdH2Mms3MOzCC |
| have-i-been-pwned-verification=dweb_8bbhpk9dwfk4ihaw62tc3zcr |
| v=spf1 -all |
| Policy | Record (sikkerchat.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.sikkerchat.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcreports-rua@redbarnet.dk; ruf=mailto:dmarcreports-ruf@redbarnet.dk |
| www | 104.21.16.202 172.67.215.231 2606:4700:3033::ac43:d7e7 2606:4700:3035::6815:10ca (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network sikkerchat.dk: 104.21.16.202 172.67.215.231 2606:4700:3033::ac43:d7e7 2606:4700:3035::6815:10ca (AS13335) www.sikkerchat.dk: 104.21.16.202 172.67.215.231 2606:4700:3033::ac43:d7e7 2606:4700:3035::6815:10ca (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sikkerchat.dk | YOWVsUzBuapPhQcGb5yonCinx95AoIvkFT7bZfSVLII |
| TXT | _acme-challenge.sikkerchat.dk | hAF4_9mbZj7zV3S9FMwHghWV4AhVLqawkHiRa5-3p3s |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2414878989 |
| Primary NS (MNAME) | betty.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-06-26 |
| Expires | 2027-07-31 (282d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 05:22:03 | 522ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 01:59:16 | 742ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-22 23:24:39 | 1542ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-15 22:09:41 shown | 806ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-12 06:54:33 | 667ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-05 23:57:04 | 748ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-28 04:31:46 | 2902ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-15 16:41:06 | 996ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-09 21:52:40 | 1767ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-17 21:05:47 | 10639ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-16 16:04:20 | 959ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-26 01:32:12 | 754ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-18 02:43:50 | 1849ms | 2 NS 2 A 0 MX | 🔒 Secure |